Anything that gets you into flow at a high heart rate. Basketball, lifting, and intense yoga fit this for me. I've read that Tai Chi can fill this as well but

Anything that gets you into flow at a high heart rate. Basketball, lifting, and intense yoga fit this for me. I've read that Tai Chi can fill this as well but I've never tried. Though basketball has given me more serious injuries than skateboarding and snowboarding ever did.